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CAN - en Order #: CTC155
Ametek-Jofra CTC155 Compact Temperature Calibrator
Order #: CTC155
The Ametek Jofra CTC Series is a fast, time-saving, reliable dry block temperature calibrator designed for on-site use. The large color display is easy-to-read and provides icons and information regarding the status of the calibrator and the calibration in process. Popular functions like automatic switch test and auto stepping are available with special one-key-one-function buttons. Speed, portability, cleanliness, and wide temperature range are all superior over liquid bath systems. With the use of the optional external reference probe, this is the most accurate industrial class temperature calibrator on the market. CTC Series is available in three versions. The CTC-155 covers a temperature range of -25° to 155°C (-13° to 311°F).
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Product Highlights
The large color display on the CTC is easy-to-read and provides icons and information regarding the status of the calibrator and the calibration in process. Popular functions like automatic switch test and auto stepping are available with special one-key-one-function buttons.
Speed, portability, cleanliness, and wide temperature range are all superior over liquid bath systems.
Features
- Dry Block Calibrator
- Accuracy to ± 0.2°C and Stability to ± 0.04°C
- Lightweight and easy to carry
- MVI circuitry ensures stability despite mains supply variations
- -25°C to 155°C
- Metric Insert 5mm
- NIST Certificate
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| Temperature Specifications | |
| Temperature Range | |
| Temp. @ ambient 23°C / 73° F | -25 to 155°C / -13 to 311°F |
| Temp. @ ambient of 0°C / 32° F | -39 to 155°C / -38 ti 311°F |
| Temp. @ ambient of 50°C / 104° F | -7 to 155°C / -19 to 311°F |
| Accuracy | |
| CTC-155 with internal ref. sensor | ±0.3°C /±0.54°F |
| CTC-155 with STS-102 | ±0.2°C /±0.36°F |
| CTC-155 with STS-120 | ±0.2°C /±0.36°F |
| Stability | ±0.04°C / ±0.07°F |
| Radial Homogeneity (difference between holes) | 0.03°C / 0.054°F |
| Settings | |
| Resolution | 1 or 0.1 or 0.01 |
| Units | °C or °F or K |
| Heating Time | |
| 23 to 155°C / 73 to 311°F | 13 minutes |
| Cooling Time | |
| 155 to 23°C / 311 to 73°F | 12 minutes |
| 23 to -25°C / 73 to -13°F | 16 minutes |
| Time to Stability (typical) | 10 minutes |
| Mains Power Specifications | |
| Voltage | 115 V (90-127) / 230 V (180-254) |
| Max Power Consumption | 100 VA |
| Frequency, US deliveries | 60 Hz ±3 |
| Frequency, non US deliveries | 50 Hz ±3, 60 Hz ±3 |
| Physical Specifications | |
| Dimensions LxWxH | 248x148x305 mm / 9.761x5.83x12.01 in |
| Weight | 5.5 kg / 12.1 lb |
| Immersion Depth incl. insulation plug | 120 mm / 4.53 in |
| Well diameter | 26 mm / 1.02 in |
| Insert Dimensions (diameter x length) | 25,8 mm x 100 mm / 1.01 x 3.9 in |
| Electrical Specifications | |
| Switch Input (dry contact) | |
| Test Voltage | Maximum 14 VDC |
| Test Current | Maximum 1 mA |
| Digital Interface | USB 2.0 |
| Environmental Specifications | |
| Operating Temperature | 0 to 50°C / 32 to 122°F |
| Storage Temperature | -20 to 50°C / -4 to 122°F |
| Humidity | 5 to 90% Rh, non-condensing |
| Protection Class | IP-10 |
| External reference sensor | |
| STS-120-A-915 | -25 to 155°C /-13 to 311°F |
| Accuracy | |
| Hysteresis (@ 0°C / 32°F) | 0.01°C / 0.018°F |
| Long Term Stability (@ 0°C / 32°F) | 0.014°C / 0.025°F |
| Repeatability | 0.004°C/ 0.007°F |
| Sensing Element | Type PT100 |
| Response Time | |
| STS-120-A: t0.5 (50%) | 7 sec. |
| STS-120-A: t0.9 (90%) | 18 sec. |
| Dimensions | |
| Diameter | 4 mm / 0.157 in |
| Length | 140 mm / 5.51 in |
| Max. height over calibrator top | 20 mm / 0.79 in |
| External reference sensor | |
| STS-102-A | -50 to 155°C /-58 to 311°F |
| Accuracy | |
| Hysteresis (@ 0°C / 32°F) | 0.01°C / 0.018°F |
| Long Term Stability (@ 0°C / 32°F) | 0.014°C / 0.025°F |
| Repeatability | 0.002°C/ 0.0036°F |
| Sensing element | Type PT100 |
| Response Time | |
| STS-120-A: t0.5 (50%) | 5 sec. |
| STS-120-A: t0.9 (90%) | 16 sec. |
| Dimensions | |
| Diameter | 4 mm / 0.157 in |
| Length | 30 mm / 1.181 in |
| Cable Length | 1 m / 3.28 ft |
